using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters.Binary;

using System.IO;

using System.Text.RegularExpressions;

namespace _.net之美

{

    class Program

    {

        static void Main(string[] args)

        {

            Heater heater = new Heater();

            Alert alert = new Alert();

            heater.boiled += alert.AlertTemperature;

            heater.boiled += Display.ShowMsg;

            heater.BoilWater();

            Console.ReadKey();

        }

    }

    public class Heater

    {

        private readonly string area="ChengDu";

        public string Area { get { return area; } }

        private readonly string type = "";

        public string Type { get { return type; } }

        private int temperature;

        public delegate void BoiledEventHandle(object sender, BoiledEventArgs args);

        public event BoiledEventHandle boiled;

        public void BoilWater()

        {

            for (int i = ; i <= ; i++)

            {

                temperature = i;

                BoiledEventArgs e = new BoiledEventArgs(temperature);

                if (temperature > )

                {

                    OnBoiled(e);

                }

            }

        }

        private void OnBoiled(BoiledEventArgs e)

        {

            if (boiled != null)

                boiled(this, e);

        }

        public class BoiledEventArgs

        {

            private readonly int temperature;

            public BoiledEventArgs(int temperature)

            {

                this.temperature = temperature;

            }

            public int Temperature { get { return this.temperature; } }

        }

    }

    public class Alert

    {

        public void AlertTemperature(object sender, Heater.BoiledEventArgs e)

        {

            Heater heater = (Heater)sender;

            Console.WriteLine("Area:{0},Type:{1}", heater.Area, heater.Type);

            Console.WriteLine("水快烧开了!");

        }

    }

    public class Display

    {

        public static void ShowMsg(object sender, Heater.BoiledEventArgs e)

        {

            Heater heater = (Heater)sender;

            Console.WriteLine("Area:{0},Type:{1}", heater.Area, heater.Type);

            Console.WriteLine("当前温度:{0}", e.Temperature);

        }

    }

}